1 /*
2    If you do not have isprint(c)   (sequent)
3    Add the following line to video.c
4 */
5 #define isprint(x) (x>=' ')
6 
7 
8 /*
9   If you do not have strdup   (some DECs)
10   Add the following to main.c
11 */
12 #define NULL 0
strdup(x)13 char * strdup(x)
14 char *x;
15 {
16   char *new;
17   new= (char *) malloc(strlen(x));
18   if (new == NULL) {
19     printf("Unable to allocate string!\n");
20     exit(1);
21   }
22   strcpy(new, x);
23   return new;
24 }
25